Home / 3,478.90-5,187.33-3,092.53

Finding the Fourth Proportional to 3,478.90, 5,187.33 and 3,092.53

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Solution

The fourth proportional to 3,478.90, 5,187.33 and 3,092.53 is: 4,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.90 : 5,187.33 = 3,092.53 : x
  2. Step 2: Convert to fraction form
    3,478.90/5,187.33 = 3,092.53/x
  3. Step 3: Cross multiply
    3,478.90x = 5,187.33 × 3,092.53
  4. Step 4: Simplify right side
    3,478.90x = 16,041,973.64
  5. Step 5: Solve for x
    x = 16,041,973.64/3,478.90
  6. Step 6: Final answer
    x = 4,611.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.